"CLEVELAND, Ohio – Almost 45 percent of the service pipes Cleveland Water is responsible for, the ones that carry drinking, cooking and bathing water to customers across Northeast Ohio are likely to contain lead.

But what does that mean?

Concern about the toxin has been on the rise across the the country, though its danger to young children and pregnant women have long been known."

"More than 100 lighthouses that no longer are critical to the U.S. Coast Guard have been transferred to nonprofit groups and government entities at no cost or sold through public auction under the National Historic Lighthouse Preservation Act of 2000."

"LUMBERTON, N.C. -- With floodwaters from Hurricane Matthew on the rise, at least one North Carolina city appeared near chaos Monday, its police station shuttered and sporadic gunfire in the air, and authorities worried that more communities could end up the same way."

"(MSNBC Video) Rachel Maddow reports on devastating and deadly flooding in North Carolina following Hurricane Matthew and notes concerns by environmentalists and flooded rivers that wash through farms and coal ash sites could spread toxins through miles of waterways."

"Nearly 90 years have passed since North Atlantic right whales became a protected species following their devastation by whalers, but their populations have yet to recover. A new report by the National Academies of Sciences, Engineering, and Medicine lays out some of the reasons why."

"Evidence of what scientists are calling the planet’s Sixth Mass Extinction is appearing in San Francisco Bay and its estuary, the largest on the Pacific Coast of North and South America, according to a major new study."